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By cnn that says we have been directed to withdraw restrictions. the proposed protection of that area was being removed. pruitt opened the door for what the epa feared could become one of the largest open pit mines in the world in an extremely sense tifr wat water shed in wild alaska. he made the decision without a briefing from any of epa's scientists or experts. >> absolutely. i met with mr. pruitt. >> reporter: for pebble limited partnership ceo it was a huge win and it comes with new apologies. >> do you think it was not wrong that mr. pruitt did not look at what the work had been done? >>...

Work had been done? >> not a science decision. it's a process decision. >> you know, the optics on this look -- >> the optics on this are right. they don't look bad a bit. >> this looks like the head of a gold mine went into the new administrator and got him to reverse what an entire department had worked on for years. >> then put your glasses back on, because you're not seeing the right optics. >> well, lawmakers didn't even know about the details of the decision or the e-mail directing the withdraw of the restrictions until drew's report. they do now. some want answers, including the democra...

In fact, about an hour after that meeting, epa staffers were surprised to receive an e-mail, which cnn exclusively obtained, telling them to start removing restrictions. now, if it goes forward, the protection would be scrapped, wiped away. today the first of two public hearings on the move took place in alaska, for the ceo of pebble limited partnership, it was a huge win. and when he talked to cnn's drew griffin, he had no apologies. take a look. >> reporter: and do you think it was not wrong that mr. pruitt did not even look at what the work had been done? >> not a science decision. it's a p...